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<FONT color="green">001</FONT>    package maze.gui;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.awt.event.ActionEvent;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.awt.event.ActionListener;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.io.File;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.io.FileInputStream;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.io.FileOutputStream;<a name="line.7"></a>
<FONT color="green">008</FONT>    import java.io.IOException;<a name="line.8"></a>
<FONT color="green">009</FONT>    import java.io.InputStreamReader;<a name="line.9"></a>
<FONT color="green">010</FONT>    import java.io.OutputStreamWriter;<a name="line.10"></a>
<FONT color="green">011</FONT>    import java.io.Reader;<a name="line.11"></a>
<FONT color="green">012</FONT>    import java.io.Writer;<a name="line.12"></a>
<FONT color="green">013</FONT>    import java.nio.CharBuffer;<a name="line.13"></a>
<FONT color="green">014</FONT>    <a name="line.14"></a>
<FONT color="green">015</FONT>    import javax.swing.JFileChooser;<a name="line.15"></a>
<FONT color="green">016</FONT>    import javax.swing.JOptionPane;<a name="line.16"></a>
<FONT color="green">017</FONT>    import javax.swing.event.CaretEvent;<a name="line.17"></a>
<FONT color="green">018</FONT>    import javax.swing.event.CaretListener;<a name="line.18"></a>
<FONT color="green">019</FONT>    import javax.swing.event.DocumentEvent;<a name="line.19"></a>
<FONT color="green">020</FONT>    import javax.swing.event.DocumentListener;<a name="line.20"></a>
<FONT color="green">021</FONT>    import javax.swing.text.BadLocationException;<a name="line.21"></a>
<FONT color="green">022</FONT>    <a name="line.22"></a>
<FONT color="green">023</FONT>    import maze.ai.PythonScriptRobot;<a name="line.23"></a>
<FONT color="green">024</FONT>    import maze.ai.RobotBase;<a name="line.24"></a>
<FONT color="green">025</FONT>    import maze.ai.RobotStep;<a name="line.25"></a>
<FONT color="green">026</FONT>    import maze.model.Direction;<a name="line.26"></a>
<FONT color="green">027</FONT>    import maze.model.MazeCell;<a name="line.27"></a>
<FONT color="green">028</FONT>    import maze.model.MazeModel;<a name="line.28"></a>
<FONT color="green">029</FONT>    import maze.model.RobotModel;<a name="line.29"></a>
<FONT color="green">030</FONT>    import maze.model.RobotModelMaster;<a name="line.30"></a>
<FONT color="green">031</FONT>    <a name="line.31"></a>
<FONT color="green">032</FONT>    import org.fife.ui.rsyntaxtextarea.RSyntaxDocument;<a name="line.32"></a>
<FONT color="green">033</FONT>    import org.fife.ui.rsyntaxtextarea.RSyntaxTextArea;<a name="line.33"></a>
<FONT color="green">034</FONT>    import org.fife.ui.rsyntaxtextarea.RSyntaxUtilities;<a name="line.34"></a>
<FONT color="green">035</FONT>    import org.fife.ui.rsyntaxtextarea.Token;<a name="line.35"></a>
<FONT color="green">036</FONT>    import org.fife.ui.rtextarea.RTextScrollPane;<a name="line.36"></a>
<FONT color="green">037</FONT>    import org.python.core.PyList;<a name="line.37"></a>
<FONT color="green">038</FONT>    import org.python.core.PyObject;<a name="line.38"></a>
<FONT color="green">039</FONT>    import org.python.util.PythonInterpreter;<a name="line.39"></a>
<FONT color="green">040</FONT>    <a name="line.40"></a>
<FONT color="green">041</FONT>    /**<a name="line.41"></a>
<FONT color="green">042</FONT>     * Creates an AI script text editor in Python.<a name="line.42"></a>
<FONT color="green">043</FONT>     * @author Luke Last<a name="line.43"></a>
<FONT color="green">044</FONT>     */<a name="line.44"></a>
<FONT color="green">045</FONT>    public final class ScriptEditor extends RTextScrollPane implements ActionListener<a name="line.45"></a>
<FONT color="green">046</FONT>    {<a name="line.46"></a>
<FONT color="green">047</FONT>       private static final String[] excludedStrings = new String[]<a name="line.47"></a>
<FONT color="green">048</FONT>       {<a name="line.48"></a>
<FONT color="green">049</FONT>          "clone", "finalize", "getClass", "hashCode", "notify", "notifyAll", "wait",<a name="line.49"></a>
<FONT color="green">050</FONT>       };<a name="line.50"></a>
<FONT color="green">051</FONT>       public static final String NEW_SCRIPT_NAME = "New Python Script";<a name="line.51"></a>
<FONT color="green">052</FONT>       private static final String PYTHON_FILE_EXTENSION = ".py";<a name="line.52"></a>
<FONT color="green">053</FONT>       private static final String ROBOT_MODEL_VAR_NAME = "maze";<a name="line.53"></a>
<FONT color="green">054</FONT>       private final javax.swing.Timer codeEvalTimer = new javax.swing.Timer(1000, this);<a name="line.54"></a>
<FONT color="green">055</FONT>       private transient RobotBase connectedRobot;<a name="line.55"></a>
<FONT color="green">056</FONT>       private PythonInterpreter currentInterpreter;<a name="line.56"></a>
<FONT color="green">057</FONT>       private boolean isDirty = false;<a name="line.57"></a>
<FONT color="green">058</FONT>    <a name="line.58"></a>
<FONT color="green">059</FONT>       /**<a name="line.59"></a>
<FONT color="green">060</FONT>        * The File (if any) that is attached to this editor.<a name="line.60"></a>
<FONT color="green">061</FONT>        */<a name="line.61"></a>
<FONT color="green">062</FONT>       private File scriptFile;<a name="line.62"></a>
<FONT color="green">063</FONT>    <a name="line.63"></a>
<FONT color="green">064</FONT>       private final RSyntaxTextArea textArea = new RSyntaxTextArea();<a name="line.64"></a>
<FONT color="green">065</FONT>    <a name="line.65"></a>
<FONT color="green">066</FONT>       /**<a name="line.66"></a>
<FONT color="green">067</FONT>        * Construct an empty editor.<a name="line.67"></a>
<FONT color="green">068</FONT>        */<a name="line.68"></a>
<FONT color="green">069</FONT>       public ScriptEditor()<a name="line.69"></a>
<FONT color="green">070</FONT>       {<a name="line.70"></a>
<FONT color="green">071</FONT>    <a name="line.71"></a>
<FONT color="green">072</FONT>          //Set up the scroll pane that holds the code editor.<a name="line.72"></a>
<FONT color="green">073</FONT>          super.setViewportView(this.textArea);<a name="line.73"></a>
<FONT color="green">074</FONT>          super.setLineNumbersEnabled(true);<a name="line.74"></a>
<FONT color="green">075</FONT>    <a name="line.75"></a>
<FONT color="green">076</FONT>          //Set up the code editor.<a name="line.76"></a>
<FONT color="green">077</FONT>          this.textArea.setMarkOccurrences(true);<a name="line.77"></a>
<FONT color="green">078</FONT>          this.textArea.setTextAntiAliasHint("VALUE_TEXT_ANTIALIAS_ON");<a name="line.78"></a>
<FONT color="green">079</FONT>          this.textArea.setSyntaxEditingStyle(RSyntaxTextArea.SYNTAX_STYLE_PYTHON);<a name="line.79"></a>
<FONT color="green">080</FONT>    <a name="line.80"></a>
<FONT color="green">081</FONT>          // Start the timer when the caret is moved in the document.<a name="line.81"></a>
<FONT color="green">082</FONT>          this.codeEvalTimer.setRepeats(false);<a name="line.82"></a>
<FONT color="green">083</FONT>          this.textArea.addCaretListener(new CaretListener()<a name="line.83"></a>
<FONT color="green">084</FONT>          {<a name="line.84"></a>
<FONT color="green">085</FONT>             @Override<a name="line.85"></a>
<FONT color="green">086</FONT>             public void caretUpdate(CaretEvent e)<a name="line.86"></a>
<FONT color="green">087</FONT>             {<a name="line.87"></a>
<FONT color="green">088</FONT>                codeEvalTimer.restart();<a name="line.88"></a>
<FONT color="green">089</FONT>             }<a name="line.89"></a>
<FONT color="green">090</FONT>          });<a name="line.90"></a>
<FONT color="green">091</FONT>    <a name="line.91"></a>
<FONT color="green">092</FONT>          this.textArea.getDocument().addDocumentListener(new DocumentListener()<a name="line.92"></a>
<FONT color="green">093</FONT>          {<a name="line.93"></a>
<FONT color="green">094</FONT>    <a name="line.94"></a>
<FONT color="green">095</FONT>             @Override<a name="line.95"></a>
<FONT color="green">096</FONT>             public void changedUpdate(DocumentEvent e)<a name="line.96"></a>
<FONT color="green">097</FONT>             {<a name="line.97"></a>
<FONT color="green">098</FONT>                isDirty = true;<a name="line.98"></a>
<FONT color="green">099</FONT>             }<a name="line.99"></a>
<FONT color="green">100</FONT>    <a name="line.100"></a>
<FONT color="green">101</FONT>             @Override<a name="line.101"></a>
<FONT color="green">102</FONT>             public void insertUpdate(DocumentEvent e)<a name="line.102"></a>
<FONT color="green">103</FONT>             {<a name="line.103"></a>
<FONT color="green">104</FONT>                isDirty = true;<a name="line.104"></a>
<FONT color="green">105</FONT>             }<a name="line.105"></a>
<FONT color="green">106</FONT>    <a name="line.106"></a>
<FONT color="green">107</FONT>             @Override<a name="line.107"></a>
<FONT color="green">108</FONT>             public void removeUpdate(DocumentEvent e)<a name="line.108"></a>
<FONT color="green">109</FONT>             {<a name="line.109"></a>
<FONT color="green">110</FONT>                isDirty = true;<a name="line.110"></a>
<FONT color="green">111</FONT>             }<a name="line.111"></a>
<FONT color="green">112</FONT>          });<a name="line.112"></a>
<FONT color="green">113</FONT>    <a name="line.113"></a>
<FONT color="green">114</FONT>          this.addToRobotModel();<a name="line.114"></a>
<FONT color="green">115</FONT>       }<a name="line.115"></a>
<FONT color="green">116</FONT>    <a name="line.116"></a>
<FONT color="green">117</FONT>       /**<a name="line.117"></a>
<FONT color="green">118</FONT>        * Create an editor from an existing file.<a name="line.118"></a>
<FONT color="green">119</FONT>        * @param fileToOpen Python script file.<a name="line.119"></a>
<FONT color="green">120</FONT>        */<a name="line.120"></a>
<FONT color="green">121</FONT>       public ScriptEditor(File fileToOpen)<a name="line.121"></a>
<FONT color="green">122</FONT>       {<a name="line.122"></a>
<FONT color="green">123</FONT>          this();<a name="line.123"></a>
<FONT color="green">124</FONT>          this.scriptFile = fileToOpen;<a name="line.124"></a>
<FONT color="green">125</FONT>          Reader r = null;<a name="line.125"></a>
<FONT color="green">126</FONT>          try<a name="line.126"></a>
<FONT color="green">127</FONT>          {<a name="line.127"></a>
<FONT color="green">128</FONT>             CharBuffer cb = CharBuffer.allocate(1024 * 32);<a name="line.128"></a>
<FONT color="green">129</FONT>             r = new InputStreamReader(new FileInputStream(fileToOpen), "UTF-8");<a name="line.129"></a>
<FONT color="green">130</FONT>             while (0 &lt; r.read(cb))<a name="line.130"></a>
<FONT color="green">131</FONT>                ;<a name="line.131"></a>
<FONT color="green">132</FONT>             cb.flip();<a name="line.132"></a>
<FONT color="green">133</FONT>             this.textArea.setText(cb.toString());<a name="line.133"></a>
<FONT color="green">134</FONT>          }<a name="line.134"></a>
<FONT color="green">135</FONT>          catch (Exception e)<a name="line.135"></a>
<FONT color="green">136</FONT>          {<a name="line.136"></a>
<FONT color="green">137</FONT>             e.printStackTrace();<a name="line.137"></a>
<FONT color="green">138</FONT>          }<a name="line.138"></a>
<FONT color="green">139</FONT>          finally<a name="line.139"></a>
<FONT color="green">140</FONT>          {<a name="line.140"></a>
<FONT color="green">141</FONT>             try<a name="line.141"></a>
<FONT color="green">142</FONT>             {<a name="line.142"></a>
<FONT color="green">143</FONT>                if (r != null)<a name="line.143"></a>
<FONT color="green">144</FONT>                   r.close();<a name="line.144"></a>
<FONT color="green">145</FONT>             }<a name="line.145"></a>
<FONT color="green">146</FONT>             catch (IOException e)<a name="line.146"></a>
<FONT color="green">147</FONT>             {<a name="line.147"></a>
<FONT color="green">148</FONT>                e.printStackTrace();<a name="line.148"></a>
<FONT color="green">149</FONT>             }<a name="line.149"></a>
<FONT color="green">150</FONT>          }<a name="line.150"></a>
<FONT color="green">151</FONT>          this.isDirty = false;<a name="line.151"></a>
<FONT color="green">152</FONT>       }<a name="line.152"></a>
<FONT color="green">153</FONT>    <a name="line.153"></a>
<FONT color="green">154</FONT>       /**<a name="line.154"></a>
<FONT color="green">155</FONT>        * Timer event action. This is fired when the code information data should be<a name="line.155"></a>
<FONT color="green">156</FONT>        * updated.<a name="line.156"></a>
<FONT color="green">157</FONT>        * @see #codeEvalTimer<a name="line.157"></a>
<FONT color="green">158</FONT>        */<a name="line.158"></a>
<FONT color="green">159</FONT>       @Override<a name="line.159"></a>
<FONT color="green">160</FONT>       public void actionPerformed(ActionEvent e)<a name="line.160"></a>
<FONT color="green">161</FONT>       {<a name="line.161"></a>
<FONT color="green">162</FONT>          final ScriptInfoPanel info = ScriptInfoPanel.getInstance();<a name="line.162"></a>
<FONT color="green">163</FONT>          boolean evalOK = this.evalScript(false);<a name="line.163"></a>
<FONT color="green">164</FONT>          info.setScriptError(!evalOK);<a name="line.164"></a>
<FONT color="green">165</FONT>          final String selectedToken = this.getSelectedToken();<a name="line.165"></a>
<FONT color="green">166</FONT>          this.updateMethodsList(selectedToken);<a name="line.166"></a>
<FONT color="green">167</FONT>          info.setTokenName(selectedToken);<a name="line.167"></a>
<FONT color="green">168</FONT>          info.setTokenType(this.getVariableType(selectedToken));<a name="line.168"></a>
<FONT color="green">169</FONT>          info.setTokenEval(this.getVariableValue(selectedToken));<a name="line.169"></a>
<FONT color="green">170</FONT>    <a name="line.170"></a>
<FONT color="green">171</FONT>       }<a name="line.171"></a>
<FONT color="green">172</FONT>    <a name="line.172"></a>
<FONT color="green">173</FONT>       /**<a name="line.173"></a>
<FONT color="green">174</FONT>        * Adds a RobotBase instance to the global Robot list. This new AI instance<a name="line.174"></a>
<FONT color="green">175</FONT>        * is connected to this code editor.<a name="line.175"></a>
<FONT color="green">176</FONT>        */<a name="line.176"></a>
<FONT color="green">177</FONT>       private void addToRobotModel()<a name="line.177"></a>
<FONT color="green">178</FONT>       {<a name="line.178"></a>
<FONT color="green">179</FONT>          this.connectedRobot = new PythonScriptRobot(this);<a name="line.179"></a>
<FONT color="green">180</FONT>          RobotBase.getRobotListModel().addElement(this.connectedRobot);<a name="line.180"></a>
<FONT color="green">181</FONT>       }<a name="line.181"></a>
<FONT color="green">182</FONT>    <a name="line.182"></a>
<FONT color="green">183</FONT>       /**<a name="line.183"></a>
<FONT color="green">184</FONT>        * Evaluates the code from the editor.<a name="line.184"></a>
<FONT color="green">185</FONT>        * @return true if the script evaluated successfully, false if an error<a name="line.185"></a>
<FONT color="green">186</FONT>        *         occurred while interpreting the script.<a name="line.186"></a>
<FONT color="green">187</FONT>        */<a name="line.187"></a>
<FONT color="green">188</FONT>       public boolean evalScript(boolean displayError)<a name="line.188"></a>
<FONT color="green">189</FONT>       {<a name="line.189"></a>
<FONT color="green">190</FONT>          final PythonInterpreter interp = this.getInitializedInterpreter();<a name="line.190"></a>
<FONT color="green">191</FONT>          this.currentInterpreter = interp;<a name="line.191"></a>
<FONT color="green">192</FONT>          try<a name="line.192"></a>
<FONT color="green">193</FONT>          {<a name="line.193"></a>
<FONT color="green">194</FONT>             interp.exec(this.textArea.getText());<a name="line.194"></a>
<FONT color="green">195</FONT>          }<a name="line.195"></a>
<FONT color="green">196</FONT>          catch (Exception e)<a name="line.196"></a>
<FONT color="green">197</FONT>          {<a name="line.197"></a>
<FONT color="green">198</FONT>             if (displayError)<a name="line.198"></a>
<FONT color="green">199</FONT>             {<a name="line.199"></a>
<FONT color="green">200</FONT>                e.printStackTrace();<a name="line.200"></a>
<FONT color="green">201</FONT>                JOptionPane.showMessageDialog(this,<a name="line.201"></a>
<FONT color="green">202</FONT>                                              "There is an error in the Python AI script.\n" +<a name="line.202"></a>
<FONT color="green">203</FONT>                                                    e.toString(),<a name="line.203"></a>
<FONT color="green">204</FONT>                                              "Script Error",<a name="line.204"></a>
<FONT color="green">205</FONT>                                              JOptionPane.ERROR_MESSAGE);<a name="line.205"></a>
<FONT color="green">206</FONT>             }<a name="line.206"></a>
<FONT color="green">207</FONT>             return false;<a name="line.207"></a>
<FONT color="green">208</FONT>          }<a name="line.208"></a>
<FONT color="green">209</FONT>          return true;<a name="line.209"></a>
<FONT color="green">210</FONT>       }<a name="line.210"></a>
<FONT color="green">211</FONT>    <a name="line.211"></a>
<FONT color="green">212</FONT>       public PythonInterpreter getCurrentInterpreter()<a name="line.212"></a>
<FONT color="green">213</FONT>       {<a name="line.213"></a>
<FONT color="green">214</FONT>          return currentInterpreter;<a name="line.214"></a>
<FONT color="green">215</FONT>       }<a name="line.215"></a>
<FONT color="green">216</FONT>    <a name="line.216"></a>
<FONT color="green">217</FONT>       /**<a name="line.217"></a>
<FONT color="green">218</FONT>        * Creates a new Python interpreter and sets some initial values like imports<a name="line.218"></a>
<FONT color="green">219</FONT>        * and the maze model variable.<a name="line.219"></a>
<FONT color="green">220</FONT>        * @return A new interpreter.<a name="line.220"></a>
<FONT color="green">221</FONT>        */<a name="line.221"></a>
<FONT color="green">222</FONT>       private PythonInterpreter getInitializedInterpreter()<a name="line.222"></a>
<FONT color="green">223</FONT>       {<a name="line.223"></a>
<FONT color="green">224</FONT>          final PythonInterpreter interp = new PythonInterpreter();<a name="line.224"></a>
<FONT color="green">225</FONT>          interp.exec("from maze.ai import RobotStep");<a name="line.225"></a>
<FONT color="green">226</FONT>          interp.exec("from maze.model import Direction, MazeCell");<a name="line.226"></a>
<FONT color="green">227</FONT>          interp.set("Forward", RobotStep.MoveForward);<a name="line.227"></a>
<FONT color="green">228</FONT>          interp.set("Back", RobotStep.MoveBackward);<a name="line.228"></a>
<FONT color="green">229</FONT>          interp.set("Left", RobotStep.RotateLeft);<a name="line.229"></a>
<FONT color="green">230</FONT>          interp.set("Right", RobotStep.RotateRight);<a name="line.230"></a>
<FONT color="green">231</FONT>          //We create and set a dummy maze variable so the user can analyze its methods.<a name="line.231"></a>
<FONT color="green">232</FONT>          interp.set(ROBOT_MODEL_VAR_NAME, new RobotModel(new RobotModelMaster(new MazeModel(),<a name="line.232"></a>
<FONT color="green">233</FONT>                                                                               new MazeCell(1, 16),<a name="line.233"></a>
<FONT color="green">234</FONT>                                                                               Direction.North)));<a name="line.234"></a>
<FONT color="green">235</FONT>          return interp;<a name="line.235"></a>
<FONT color="green">236</FONT>       }<a name="line.236"></a>
<FONT color="green">237</FONT>    <a name="line.237"></a>
<FONT color="green">238</FONT>       /**<a name="line.238"></a>
<FONT color="green">239</FONT>        * Used to adapt this script into robot script.<a name="line.239"></a>
<FONT color="green">240</FONT>        * @see PythonScriptRobot<a name="line.240"></a>
<FONT color="green">241</FONT>        * @return Next step.<a name="line.241"></a>
<FONT color="green">242</FONT>        */<a name="line.242"></a>
<FONT color="green">243</FONT>       public RobotStep getNextStep()<a name="line.243"></a>
<FONT color="green">244</FONT>       {<a name="line.244"></a>
<FONT color="green">245</FONT>          try<a name="line.245"></a>
<FONT color="green">246</FONT>          {<a name="line.246"></a>
<FONT color="green">247</FONT>             final PyObject function = this.currentInterpreter.get("nextStep");<a name="line.247"></a>
<FONT color="green">248</FONT>             Object result = function.__call__();<a name="line.248"></a>
<FONT color="green">249</FONT>             return RobotStep.valueOf(result.toString());<a name="line.249"></a>
<FONT color="green">250</FONT>          }<a name="line.250"></a>
<FONT color="green">251</FONT>          catch (Exception ex)<a name="line.251"></a>
<FONT color="green">252</FONT>          {<a name="line.252"></a>
<FONT color="green">253</FONT>             ex.printStackTrace();<a name="line.253"></a>
<FONT color="green">254</FONT>             //throw new RuntimeException(ex);<a name="line.254"></a>
<FONT color="green">255</FONT>             return RobotStep.MoveForward;<a name="line.255"></a>
<FONT color="green">256</FONT>          }<a name="line.256"></a>
<FONT color="green">257</FONT>       }<a name="line.257"></a>
<FONT color="green">258</FONT>    <a name="line.258"></a>
<FONT color="green">259</FONT>       /**<a name="line.259"></a>
<FONT color="green">260</FONT>        * Get the string token that is currently selected or that the cursor is on.<a name="line.260"></a>
<FONT color="green">261</FONT>        * @return The selected text or an empty string on error or if nothing is<a name="line.261"></a>
<FONT color="green">262</FONT>        *         selected.<a name="line.262"></a>
<FONT color="green">263</FONT>        */<a name="line.263"></a>
<FONT color="green">264</FONT>       private String getSelectedToken()<a name="line.264"></a>
<FONT color="green">265</FONT>       {<a name="line.265"></a>
<FONT color="green">266</FONT>          String selectedText = this.textArea.getSelectedText();<a name="line.266"></a>
<FONT color="green">267</FONT>          // If text is selected just use that, otherwise select the nearest token.<a name="line.267"></a>
<FONT color="green">268</FONT>          if (selectedText == null)<a name="line.268"></a>
<FONT color="green">269</FONT>          {<a name="line.269"></a>
<FONT color="green">270</FONT>             RSyntaxDocument doc = (RSyntaxDocument) textArea.getDocument();<a name="line.270"></a>
<FONT color="green">271</FONT>             doc.readLock();<a name="line.271"></a>
<FONT color="green">272</FONT>             try<a name="line.272"></a>
<FONT color="green">273</FONT>             {<a name="line.273"></a>
<FONT color="green">274</FONT>                // Get the token at the caret position.<a name="line.274"></a>
<FONT color="green">275</FONT>                int line = textArea.getCaretLineNumber();<a name="line.275"></a>
<FONT color="green">276</FONT>                Token tokenList = textArea.getTokenListForLine(line);<a name="line.276"></a>
<FONT color="green">277</FONT>                int dot = this.textArea.getCaret().getDot();<a name="line.277"></a>
<FONT color="green">278</FONT>                Token t = RSyntaxUtilities.getTokenAtOffset(tokenList, dot);<a name="line.278"></a>
<FONT color="green">279</FONT>                if (t == null)<a name="line.279"></a>
<FONT color="green">280</FONT>                {<a name="line.280"></a>
<FONT color="green">281</FONT>                   // Try to the "left" of the caret.<a name="line.281"></a>
<FONT color="green">282</FONT>                   dot--;<a name="line.282"></a>
<FONT color="green">283</FONT>                   try<a name="line.283"></a>
<FONT color="green">284</FONT>                   {<a name="line.284"></a>
<FONT color="green">285</FONT>                      if (dot &gt;= textArea.getLineStartOffset(line))<a name="line.285"></a>
<FONT color="green">286</FONT>                      {<a name="line.286"></a>
<FONT color="green">287</FONT>                         t = RSyntaxUtilities.getTokenAtOffset(tokenList, dot);<a name="line.287"></a>
<FONT color="green">288</FONT>                      }<a name="line.288"></a>
<FONT color="green">289</FONT>                   }<a name="line.289"></a>
<FONT color="green">290</FONT>                   catch (BadLocationException ble)<a name="line.290"></a>
<FONT color="green">291</FONT>                   {<a name="line.291"></a>
<FONT color="green">292</FONT>                      ble.printStackTrace(); // Never happens<a name="line.292"></a>
<FONT color="green">293</FONT>                   }<a name="line.293"></a>
<FONT color="green">294</FONT>    <a name="line.294"></a>
<FONT color="green">295</FONT>                }<a name="line.295"></a>
<FONT color="green">296</FONT>                if (t != null)<a name="line.296"></a>
<FONT color="green">297</FONT>                {<a name="line.297"></a>
<FONT color="green">298</FONT>                   try<a name="line.298"></a>
<FONT color="green">299</FONT>                   {<a name="line.299"></a>
<FONT color="green">300</FONT>                      // A bug in this method sometimes throws a null pointer exception.<a name="line.300"></a>
<FONT color="green">301</FONT>                      selectedText = t.getLexeme();<a name="line.301"></a>
<FONT color="green">302</FONT>                   }<a name="line.302"></a>
<FONT color="green">303</FONT>                   catch (NullPointerException e)<a name="line.303"></a>
<FONT color="green">304</FONT>                   {}<a name="line.304"></a>
<FONT color="green">305</FONT>                }<a name="line.305"></a>
<FONT color="green">306</FONT>             }<a name="line.306"></a>
<FONT color="green">307</FONT>             finally<a name="line.307"></a>
<FONT color="green">308</FONT>             {<a name="line.308"></a>
<FONT color="green">309</FONT>                doc.readUnlock();<a name="line.309"></a>
<FONT color="green">310</FONT>             }<a name="line.310"></a>
<FONT color="green">311</FONT>          }<a name="line.311"></a>
<FONT color="green">312</FONT>          if (selectedText == null)<a name="line.312"></a>
<FONT color="green">313</FONT>             return "";<a name="line.313"></a>
<FONT color="green">314</FONT>          else<a name="line.314"></a>
<FONT color="green">315</FONT>             return selectedText;<a name="line.315"></a>
<FONT color="green">316</FONT>       }<a name="line.316"></a>
<FONT color="green">317</FONT>    <a name="line.317"></a>
<FONT color="green">318</FONT>       private String getVariableType(String variableName)<a name="line.318"></a>
<FONT color="green">319</FONT>       {<a name="line.319"></a>
<FONT color="green">320</FONT>          final PythonInterpreter interp = this.getCurrentInterpreter();<a name="line.320"></a>
<FONT color="green">321</FONT>          PyObject selectedObj = interp.get(variableName);<a name="line.321"></a>
<FONT color="green">322</FONT>          if (selectedObj != null)<a name="line.322"></a>
<FONT color="green">323</FONT>    <a name="line.323"></a>
<FONT color="green">324</FONT>             return selectedObj.getType().toString();<a name="line.324"></a>
<FONT color="green">325</FONT>          else<a name="line.325"></a>
<FONT color="green">326</FONT>             return "Unknown";<a name="line.326"></a>
<FONT color="green">327</FONT>       }<a name="line.327"></a>
<FONT color="green">328</FONT>    <a name="line.328"></a>
<FONT color="green">329</FONT>       private String getVariableValue(String variableName)<a name="line.329"></a>
<FONT color="green">330</FONT>       {<a name="line.330"></a>
<FONT color="green">331</FONT>          final PythonInterpreter interp = this.getCurrentInterpreter();<a name="line.331"></a>
<FONT color="green">332</FONT>          PyObject selectedObj = interp.get(variableName);<a name="line.332"></a>
<FONT color="green">333</FONT>          if (selectedObj != null)<a name="line.333"></a>
<FONT color="green">334</FONT>    <a name="line.334"></a>
<FONT color="green">335</FONT>             return selectedObj.toString();<a name="line.335"></a>
<FONT color="green">336</FONT>          else<a name="line.336"></a>
<FONT color="green">337</FONT>             return "Unknown";<a name="line.337"></a>
<FONT color="green">338</FONT>       }<a name="line.338"></a>
<FONT color="green">339</FONT>    <a name="line.339"></a>
<FONT color="green">340</FONT>       /**<a name="line.340"></a>
<FONT color="green">341</FONT>        * Has this script been changed since being saved last.<a name="line.341"></a>
<FONT color="green">342</FONT>        * @return true if this script has not been saved.<a name="line.342"></a>
<FONT color="green">343</FONT>        */<a name="line.343"></a>
<FONT color="green">344</FONT>       public boolean isDirty()<a name="line.344"></a>
<FONT color="green">345</FONT>       {<a name="line.345"></a>
<FONT color="green">346</FONT>          return isDirty;<a name="line.346"></a>
<FONT color="green">347</FONT>       }<a name="line.347"></a>
<FONT color="green">348</FONT>    <a name="line.348"></a>
<FONT color="green">349</FONT>       /**<a name="line.349"></a>
<FONT color="green">350</FONT>        * Removes this script from the global List of algorithms.<a name="line.350"></a>
<FONT color="green">351</FONT>        */<a name="line.351"></a>
<FONT color="green">352</FONT>       void removeFromRobotModel()<a name="line.352"></a>
<FONT color="green">353</FONT>       {<a name="line.353"></a>
<FONT color="green">354</FONT>          RobotBase.getRobotListModel().removeElement(this.connectedRobot);<a name="line.354"></a>
<FONT color="green">355</FONT>       }<a name="line.355"></a>
<FONT color="green">356</FONT>    <a name="line.356"></a>
<FONT color="green">357</FONT>       /**<a name="line.357"></a>
<FONT color="green">358</FONT>        * Saves the current script to the file it is connected to. If it is a new<a name="line.358"></a>
<FONT color="green">359</FONT>        * script and has no file that save as is called.<a name="line.359"></a>
<FONT color="green">360</FONT>        */<a name="line.360"></a>
<FONT color="green">361</FONT>       public void saveScriptFile()<a name="line.361"></a>
<FONT color="green">362</FONT>       {<a name="line.362"></a>
<FONT color="green">363</FONT>          // If this script doesn't already have a file name do a save as prompt.<a name="line.363"></a>
<FONT color="green">364</FONT>          if (this.scriptFile == null)<a name="line.364"></a>
<FONT color="green">365</FONT>          {<a name="line.365"></a>
<FONT color="green">366</FONT>             this.saveScriptFileAs();<a name="line.366"></a>
<FONT color="green">367</FONT>          }<a name="line.367"></a>
<FONT color="green">368</FONT>          else<a name="line.368"></a>
<FONT color="green">369</FONT>          {<a name="line.369"></a>
<FONT color="green">370</FONT>             this.saveToFile();<a name="line.370"></a>
<FONT color="green">371</FONT>          }<a name="line.371"></a>
<FONT color="green">372</FONT>       }<a name="line.372"></a>
<FONT color="green">373</FONT>    <a name="line.373"></a>
<FONT color="green">374</FONT>       /**<a name="line.374"></a>
<FONT color="green">375</FONT>        * Requests the user to choose a new file name and then saves the script<a name="line.375"></a>
<FONT color="green">376</FONT>        * there.<a name="line.376"></a>
<FONT color="green">377</FONT>        */<a name="line.377"></a>
<FONT color="green">378</FONT>       public void saveScriptFileAs()<a name="line.378"></a>
<FONT color="green">379</FONT>       {<a name="line.379"></a>
<FONT color="green">380</FONT>          JFileChooser chooser = new JFileChooser();<a name="line.380"></a>
<FONT color="green">381</FONT>          int result = chooser.showSaveDialog(this);<a name="line.381"></a>
<FONT color="green">382</FONT>          if (result == JFileChooser.APPROVE_OPTION)<a name="line.382"></a>
<FONT color="green">383</FONT>          {<a name="line.383"></a>
<FONT color="green">384</FONT>             // Make sure the chosen file name has the correct extension.<a name="line.384"></a>
<FONT color="green">385</FONT>             if (chooser.getSelectedFile().getName().endsWith(PYTHON_FILE_EXTENSION))<a name="line.385"></a>
<FONT color="green">386</FONT>             {<a name="line.386"></a>
<FONT color="green">387</FONT>                this.scriptFile = chooser.getSelectedFile();<a name="line.387"></a>
<FONT color="green">388</FONT>             }<a name="line.388"></a>
<FONT color="green">389</FONT>             else<a name="line.389"></a>
<FONT color="green">390</FONT>             {<a name="line.390"></a>
<FONT color="green">391</FONT>                this.scriptFile = new File(chooser.getSelectedFile().getAbsolutePath() +<a name="line.391"></a>
<FONT color="green">392</FONT>                                           PYTHON_FILE_EXTENSION);<a name="line.392"></a>
<FONT color="green">393</FONT>             }<a name="line.393"></a>
<FONT color="green">394</FONT>          }<a name="line.394"></a>
<FONT color="green">395</FONT>          this.saveToFile();<a name="line.395"></a>
<FONT color="green">396</FONT>       }<a name="line.396"></a>
<FONT color="green">397</FONT>    <a name="line.397"></a>
<FONT color="green">398</FONT>       /**<a name="line.398"></a>
<FONT color="green">399</FONT>        * Internal method to save the script to the current file.<a name="line.399"></a>
<FONT color="green">400</FONT>        */<a name="line.400"></a>
<FONT color="green">401</FONT>       private void saveToFile()<a name="line.401"></a>
<FONT color="green">402</FONT>       {<a name="line.402"></a>
<FONT color="green">403</FONT>          if (this.scriptFile != null)<a name="line.403"></a>
<FONT color="green">404</FONT>          {<a name="line.404"></a>
<FONT color="green">405</FONT>             Writer w = null;<a name="line.405"></a>
<FONT color="green">406</FONT>             try<a name="line.406"></a>
<FONT color="green">407</FONT>             {<a name="line.407"></a>
<FONT color="green">408</FONT>                w = new OutputStreamWriter(new FileOutputStream(this.scriptFile), "UTF-8");<a name="line.408"></a>
<FONT color="green">409</FONT>                w.write(this.textArea.getText());<a name="line.409"></a>
<FONT color="green">410</FONT>                w.close();<a name="line.410"></a>
<FONT color="green">411</FONT>             }<a name="line.411"></a>
<FONT color="green">412</FONT>             catch (Exception e)<a name="line.412"></a>
<FONT color="green">413</FONT>             {<a name="line.413"></a>
<FONT color="green">414</FONT>                e.printStackTrace();<a name="line.414"></a>
<FONT color="green">415</FONT>             }<a name="line.415"></a>
<FONT color="green">416</FONT>             finally<a name="line.416"></a>
<FONT color="green">417</FONT>             {<a name="line.417"></a>
<FONT color="green">418</FONT>                try<a name="line.418"></a>
<FONT color="green">419</FONT>                {<a name="line.419"></a>
<FONT color="green">420</FONT>                   w.close();<a name="line.420"></a>
<FONT color="green">421</FONT>                }<a name="line.421"></a>
<FONT color="green">422</FONT>                catch (IOException e)<a name="line.422"></a>
<FONT color="green">423</FONT>                {}<a name="line.423"></a>
<FONT color="green">424</FONT>             }<a name="line.424"></a>
<FONT color="green">425</FONT>             this.isDirty = false;<a name="line.425"></a>
<FONT color="green">426</FONT>          }<a name="line.426"></a>
<FONT color="green">427</FONT>       }<a name="line.427"></a>
<FONT color="green">428</FONT>    <a name="line.428"></a>
<FONT color="green">429</FONT>       /**<a name="line.429"></a>
<FONT color="green">430</FONT>        * Dirty means the file has been changed since last being saved.<a name="line.430"></a>
<FONT color="green">431</FONT>        * @param isDirty true if dirty.<a name="line.431"></a>
<FONT color="green">432</FONT>        */<a name="line.432"></a>
<FONT color="green">433</FONT>       public void setDirty(boolean isDirty)<a name="line.433"></a>
<FONT color="green">434</FONT>       {<a name="line.434"></a>
<FONT color="green">435</FONT>          this.isDirty = isDirty;<a name="line.435"></a>
<FONT color="green">436</FONT>       }<a name="line.436"></a>
<FONT color="green">437</FONT>    <a name="line.437"></a>
<FONT color="green">438</FONT>       public void setRobotModel(RobotModel model)<a name="line.438"></a>
<FONT color="green">439</FONT>       {<a name="line.439"></a>
<FONT color="green">440</FONT>          try<a name="line.440"></a>
<FONT color="green">441</FONT>          {<a name="line.441"></a>
<FONT color="green">442</FONT>             this.currentInterpreter.set(ROBOT_MODEL_VAR_NAME, model);<a name="line.442"></a>
<FONT color="green">443</FONT>          }<a name="line.443"></a>
<FONT color="green">444</FONT>          catch (Exception ex)<a name="line.444"></a>
<FONT color="green">445</FONT>          {<a name="line.445"></a>
<FONT color="green">446</FONT>             ex.printStackTrace();<a name="line.446"></a>
<FONT color="green">447</FONT>          }<a name="line.447"></a>
<FONT color="green">448</FONT>       }<a name="line.448"></a>
<FONT color="green">449</FONT>    <a name="line.449"></a>
<FONT color="green">450</FONT>       @Override<a name="line.450"></a>
<FONT color="green">451</FONT>       public String toString()<a name="line.451"></a>
<FONT color="green">452</FONT>       {<a name="line.452"></a>
<FONT color="green">453</FONT>          if (this.scriptFile != null)<a name="line.453"></a>
<FONT color="green">454</FONT>          {<a name="line.454"></a>
<FONT color="green">455</FONT>             return this.scriptFile.getName();<a name="line.455"></a>
<FONT color="green">456</FONT>          }<a name="line.456"></a>
<FONT color="green">457</FONT>          else<a name="line.457"></a>
<FONT color="green">458</FONT>          {<a name="line.458"></a>
<FONT color="green">459</FONT>             return NEW_SCRIPT_NAME;<a name="line.459"></a>
<FONT color="green">460</FONT>          }<a name="line.460"></a>
<FONT color="green">461</FONT>       }<a name="line.461"></a>
<FONT color="green">462</FONT>    <a name="line.462"></a>
<FONT color="green">463</FONT>       private void updateMethodsList(String selectedToken)<a name="line.463"></a>
<FONT color="green">464</FONT>       {<a name="line.464"></a>
<FONT color="green">465</FONT>          try<a name="line.465"></a>
<FONT color="green">466</FONT>          {<a name="line.466"></a>
<FONT color="green">467</FONT>             final PythonInterpreter interp = this.getCurrentInterpreter();<a name="line.467"></a>
<FONT color="green">468</FONT>             PyObject obj = interp.eval("dir(" + selectedToken + ")");<a name="line.468"></a>
<FONT color="green">469</FONT>             PyList pyList = (PyList) obj;<a name="line.469"></a>
<FONT color="green">470</FONT>             final ScriptInfoPanel info = ScriptInfoPanel.getInstance();<a name="line.470"></a>
<FONT color="green">471</FONT>             info.getListModel().clear();<a name="line.471"></a>
<FONT color="green">472</FONT>             for (Object o : pyList)<a name="line.472"></a>
<FONT color="green">473</FONT>             {<a name="line.473"></a>
<FONT color="green">474</FONT>                final String s = o.toString();<a name="line.474"></a>
<FONT color="green">475</FONT>                boolean match = false;<a name="line.475"></a>
<FONT color="green">476</FONT>                for (String exclude : excludedStrings)<a name="line.476"></a>
<FONT color="green">477</FONT>                {<a name="line.477"></a>
<FONT color="green">478</FONT>                   if (exclude.equals(s))<a name="line.478"></a>
<FONT color="green">479</FONT>                   {<a name="line.479"></a>
<FONT color="green">480</FONT>                      match = true;<a name="line.480"></a>
<FONT color="green">481</FONT>                      break;<a name="line.481"></a>
<FONT color="green">482</FONT>                   }<a name="line.482"></a>
<FONT color="green">483</FONT>                }<a name="line.483"></a>
<FONT color="green">484</FONT>                if (match == false &amp;&amp; (s.startsWith("__") == false || s.equals("__doc__")))<a name="line.484"></a>
<FONT color="green">485</FONT>                {<a name="line.485"></a>
<FONT color="green">486</FONT>                   info.getListModel().addElement(o.toString());<a name="line.486"></a>
<FONT color="green">487</FONT>                }<a name="line.487"></a>
<FONT color="green">488</FONT>             }<a name="line.488"></a>
<FONT color="green">489</FONT>          }<a name="line.489"></a>
<FONT color="green">490</FONT>          catch (Exception e)<a name="line.490"></a>
<FONT color="green">491</FONT>          {<a name="line.491"></a>
<FONT color="green">492</FONT>             e.printStackTrace();<a name="line.492"></a>
<FONT color="green">493</FONT>          }<a name="line.493"></a>
<FONT color="green">494</FONT>       }<a name="line.494"></a>
<FONT color="green">495</FONT>    }<a name="line.495"></a>




























































</PRE>
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